Max Euwe - Chess Champion

Max Euwe was a Dutch chess grandmaster who became world chess champion for two years from 1935 - 1937 after beating Alexander
Alekhine 15,5:14,5. He lost his title again two years later 1937 in the
rematch with Alekhine that ended 9,5:15,5 (4 wins, 10 losses, 11 draws)

Max Euwe was a mathematics teacher and was president for the
world chess federation. He wrote many chess books and did a lot to make
chess more popular. He was a very strong positional player.